Finding the Fourth Proportional to 221,524.30, 332,216.74 and 71,729.99
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Solution
The fourth proportional to 221,524.30, 332,216.74 and 71,729.99 is: 107,572.41
Step by Step Solution
- Step 1: Write the proportion equation
221,524.30 : 332,216.74 = 71,729.99 : x - Step 2: Convert to fraction form
221,524.30/332,216.74 = 71,729.99/x - Step 3: Cross multiply
221,524.30x = 332,216.74 × 71,729.99 - Step 4: Simplify right side
221,524.30x = 23,829,903,112.42 - Step 5: Solve for x
x = 23,829,903,112.42/221,524.30 - Step 6: Final answer
x = 107,572.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.